package com.check.filter;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;


public class EncodingFilter implements Filter {
	
	private String encoding = null;
	
	public String getEncoding() {
		return encoding;
	}

	public void setEncoding(String encoding) {
		this.encoding = encoding;
	}

	public void destroy() {
		// TODO Auto-generated method stub
		
	}

	public void doFilter(ServletRequest request, ServletResponse response,
			FilterChain chain) throws IOException, ServletException {
			if(request.getCharacterEncoding() == null){
				request.setCharacterEncoding(encoding);
			}
			response.setContentType("text/html;charset=" + encoding);
		    chain.doFilter(request, response);

	}

	public void init(FilterConfig filterConfig) throws ServletException {
	     this.encoding = filterConfig.getInitParameter("encoding");
	}


}
